Stock material or miscellaneous articles – Structurally defined web or sheet – Including fastener for attaching to external surface
Patent
1990-12-13
1993-09-14
Robinson, Ellis P.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including fastener for attaching to external surface
428 34, 428 38, 428920, 428921, 428189, 428157, 428 81, 428138, 428410, 428428, 428212, 428213, 428214, 52171, 52789, 52232, 156101, 49501, 49503, 206321, 206325, B32B 1706, B32B 306
Patent
active
052447090
ABSTRACT:
A light-transmitting fire resistant glazing panel includes at least two vitreous sheets between which is sandwiched at least one intervening layer of intumescent material, for example, of hydrated sodium silicate. Two of the vitreous sheets are of different thicknesses and they are bonded together via the sandwiched intumescent material. The thinner of the two vitreous sheets is of conforming size to the thicker sheet and the thinner sheet and intumescent layer are shaped to leave the main face of the thicker sheet to which they are bonded exposed at a plurality of local marginal areas. This allows a hinge bracket 11 to be attached to the thicker sheet 1 at the exposed area 5 by a plurality of bolts leading through holes in the thicker sheet. The bolts may comprise sheathes, e.g. of nylon, or they may lead through bushes, e.g. of nylon, to avoid direct contact between the metal of the bolts and the glass if this is desired. The re-entrants in the thinner sheets over the exposed areas of the thicker sheet are then optionally filled with a pre-formed member of fire retandant material such as that available under the Trade Name PALUSOL, and a finishing mask.
REFERENCES:
patent: 2326203 (1943-08-01), Dennison
patent: 2401552 (1946-06-01), Cox
patent: 2659686 (1953-11-01), Watkins
patent: 4046933 (1977-09-01), Stefanik
patent: 4081581 (1978-03-01), Littell, Jr.
patent: 4104427 (1978-08-01), Nolte et al.
patent: 4444825 (1984-04-01), Vanderstukken
patent: 4582738 (1986-04-01), Kunert
patent: 4621001 (1986-11-01), Bard
Glaverbel
Robinson Ellis P.
Watkins William P.
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